Question

if alpha and beta are zeroes and the quadratic polynomial f(x)=x*2-x-4,then the value of 1/ alpha +1/beta -alpha into beta is​

Answer 1

Step-by-step explanation:

f(x) = x*2-x-4

a+b=1

ab= - 4

~~1/a+1/b= - ab

a+b/ab-ab

1/-4-(-4)

1/4+4

15/4